a bubamaru na bubamaru
a bubamaru na bubamaru .
ä WORD_BOUNDARY b u b ä m ä r u WORD_BOUNDARY n ä WORD_BOUNDARY b u b ä m ä r u WORD_BOUNDARY
a WORD_BOUNDARY b u b a m a r u WORD_BOUNDARY n a WORD_BOUNDARY b u b a m a r u WORD_BOUNDARY . WORD_BOUNDARY